Suchada Rajca

  • 4318 Citations
  • 43 h-Index
1989 …2020

Research output per year

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Research Output

  • 4318 Citations
  • 43 h-Index
  • 86 Article
  • 2 Comment/debate
  • 2 Letter
  • 1 Conference article
26 Scopus citations
9 Scopus citations

A dendritic macrocyclic organic polyradical with a very high spin of S = 10

Rajca, A., Wongsriratanakul, J., Rajca, S. & Cerny, R., May 18 1998, In : Angewandte Chemie - International Edition. 37, 9, p. 1229-1232 4 p.

Research output: Contribution to journalArticle

87 Scopus citations

A Greek cross dodecaphenylene: Sparteine-mediated asymmetric synthesis of chiral D2-symmetric π-conjugated tetra-o-phenylenes

Rajca, A., Wang, H., Bolshov, P. & Rajca, S., Apr 23 2001, In : Tetrahedron. 57, 17, p. 3725-3735 11 p.

Research output: Contribution to journalArticle

47 Scopus citations
29 Scopus citations

Annelated, chiral π-conjugated systems: Tetraphenylenes and helical β-oligothiophenes

Rajca, A., Rajca, S., Pink, M. & Miyasaka, M., Jul 24 2007, In : Synlett. 12, p. 1799-1822 24 p.

Research output: Contribution to journalArticle

75 Scopus citations

Annelated heptathiophene: A fragment of a carbon - Sulfur helix

Rajca, A., Wang, H., Pink, M. & Rajca, S., Dec 15 2000, In : Angewandte Chemie - International Edition. 39, 24, p. 4481-4483 3 p.

Research output: Contribution to journalArticle

97 Scopus citations

A spirocyclohexyl nitroxide amino acid spin label for pulsed EPR spectroscopy distance measurements

Rajca, A., Kathirvelu, V., Roy, S. K., Pink, M., Rajca, S., Sarkar, S., Eaton, S. S. & Eaton, G. R., May 17 2010, In : Chemistry - A European Journal. 16, 19, p. 5778-5782 5 p.

Research output: Contribution to journalArticle

43 Scopus citations

Asymmetric synthesis of chiral tetraphenylenes

Rajca, A. & Rajca, S., Jan 18 2010, In : Angewandte Chemie - International Edition. 49, 4, p. 672-674 3 p.

Research output: Contribution to journalArticle

31 Scopus citations

Aza-m-Xylylene Diradical with Increased Steric Protection of the Aminyl Radicals

Olankitwanit, A., Rajca, S. & Rajca, A., May 15 2015, In : Journal of Organic Chemistry. 80, 10, p. 5035-5044 10 p.

Research output: Contribution to journalArticle

7 Scopus citations

Band gap of carbon-sulfur [n]helicenes

Miyasaka, M., Pink, M., Olankitwanit, A., Rajca, S. & Rajca, A., Jun 15 2012, In : Organic Letters. 14, 12, p. 3076-3079 4 p.

Research output: Contribution to journalArticle

24 Scopus citations

Biphenylene dimer. Molecular fragment of a two-dimensional carbon net and double-stranded polymer

Rajca, A., Safronov, A., Rajca, S., Ross, C. R. & Stezowski, J. J., Aug 7 1996, In : Journal of the American Chemical Society. 118, 31, p. 7272-7279 8 p.

Research output: Contribution to journalArticle

66 Scopus citations

Boron-centred diradical dianion: A new triplet state molecule

Rajca, A., Rajca, S. & Desai, S. R., 1995, In : Journal of the Chemical Society, Chemical Communications. 19, p. 1957-1958 2 p.

Research output: Contribution to journalArticle

33 Scopus citations

Calix[4]arene nitroxide tetraradical and octaradical

Olankitwanit, A., Kathirvelu, V., Rajca, S., Eaton, G. R., Eaton, S. S. & Rajca, A., Jun 14 2011, In : Chemical Communications. 47, 22, p. 6443-6445 3 p.

Research output: Contribution to journalArticle

23 Scopus citations
48 Scopus citations

Chiral molecular glass: Synthesis and characterization of enantiomerically pure thiophene-based [7]helicene

Miyasaka, M., Rajca, A., Pink, M. & Rajca, S., Dec 3 2004, In : Chemistry - A European Journal. 10, 24, p. 6531-6539 9 p.

Research output: Contribution to journalArticle

65 Scopus citations

Chiral tetrathienylene: Synthesis and X-ray structure

Xiao, S., Pink, M., Wang, H., Rajca, S. & Rajca, A., Jun 2008, In : Journal of Sulfur Chemistry. 29, 3-4, p. 425-432 8 p.

Research output: Contribution to journalArticle

4 Scopus citations

Conformationally constrained, stable, triplet ground state (S = 1) nitroxide diradicals. Antiferromagnetic chains of S = 1 diradicals

Rajca, A., Takahashi, M., Pink, M., Spagnol, G. & Rajca, S., Aug 22 2007, In : Journal of the American Chemical Society. 129, 33, p. 10159-10170 12 p.

Research output: Contribution to journalArticle

58 Scopus citations

Control of Magnetic Interactions in Polyarylmethyl Triplet Diradicals Using Steric Hindrance

Rajca, A., Utamapanya, S. & Xu, J., Nov 1 1991, In : Journal of the American Chemical Society. 113, 24, p. 9235-9241 7 p.

Research output: Contribution to journalArticle

74 Scopus citations

Cross-conjugated oligothiophenes derived from the (C2S) n helix: Asymmetric synthesis and structure of carbon-sulfur [11]helicene

Miyasaka, M., Rajca, A., Pink, M. & Rajca, S., Oct 12 2005, In : Journal of the American Chemical Society. 127, 40, p. 13806-13807 2 p.

Research output: Contribution to journalArticle

127 Scopus citations

D2-Symmetric dimer of 1,1'-binaphthyl and its chiral π-conjugated carbodianion

Rajca, A., Safronov, A., Rajca, S. & Wongsriratanakul, J., Apr 12 2000, In : Journal of the American Chemical Society. 122, 14, p. 3351-3357 7 p.

Research output: Contribution to journalArticle

56 Scopus citations

Diarylnitroxide diradicals: Low-temperature oxidation of diarylamines to nitroxides

Rajca, A., Vale, M. & Rajca, S., Jul 16 2008, In : Journal of the American Chemical Society. 130, 28, p. 9099-9105 7 p.

Research output: Contribution to journalArticle

33 Scopus citations

Double Helical Octaphenylene

Rajca, A., Safronov, A., Rajca, S. & Shoemaker, R., 1997, In : Angewandte Chemie (International Edition in English). 36, 5, p. 488-491 4 p.

Research output: Contribution to journalArticle

51 Scopus citations

Efficient synthesis of tricyclic benzobisoxazines by silica gel catalysis

Spagnol, G., Rajca, A. & Rajca, S., Mar 2 2007, In : Journal of Organic Chemistry. 72, 5, p. 1867-1869 3 p.

Research output: Contribution to journalArticle

32 Scopus citations

Erratum: Organic radical contrast agents for magnetic resonance imaging (Journal of the American Chemical Society (2012) 134 (15724-15727) DOI: 10.1021/ja3079829)

Rajca, A., Wang, Y., Boska, M., Paletta, J. T., Olankitwanit, A., Swanson, M. A., Mitchell, D. G., Eaton, S. S., Eaton, G. R. & Rajca, S., Feb 26 2014, In : Journal of the American Chemical Society. 136, 8, p. 3318 1 p.

Research output: Contribution to journalComment/debate

7 Scopus citations
62 Scopus citations

Functionalized thiophene-based [7]helicene: Chirooptical properties versus electron delocalization

Rajca, A., Pink, M., Xiao, S., Miyasaka, M., Rajca, S., Das, K. & Plessel, K., Oct 2 2009, In : Journal of Organic Chemistry. 74, 19, p. 7504-7513 10 p.

Research output: Contribution to journalArticle

48 Scopus citations

gem-Diethyl Pyrroline Nitroxide Spin Labels: Synthesis, EPR Characterization, Rotamer Libraries and Biocompatibility

Bleicken, S., Assafa, T. E., Zhang, H., Elsner, C., Ritsch, I., Pink, M., Rajca, S., Jeschke, G., Rajca, A. & Bordignon, E., 2019, In : ChemistryOpen. 8, 8, p. 1035 1 p.

Research output: Contribution to journalComment/debate

Open Access
6 Scopus citations

gem-Diethyl Pyrroline Nitroxide Spin Labels: Synthesis, EPR Characterization, Rotamer Libraries and Biocompatibility

Bleicken, S., Assafa, T. E., Zhang, H., Elsner, C., Ritsch, I., Pink, M., Rajca, S., Jeschke, G., Rajca, A. & Bordignon, E., Jan 1 2019, In : ChemistryOpen.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

Helically annelated and cross-conjugated oligothiophenes: Asymmetric synthesis, resolution, and characterization of a carbon-sulfur [7]helicene

Rajca, A., Miyasaka, M., Pink, M., Wang, H. & Rajca, S., Nov 24 2004, In : Journal of the American Chemical Society. 126, 46, p. 15211-15222 12 p.

Research output: Contribution to journalArticle

145 Scopus citations

Helically annelated and cross-conjugated β-oligothiophenes: A fourier transform Raman spectroscopic and quantum chemical density functional theory study

Malavé Osuna, R., Ponce Ortiz, R., Hernández, V., López Navarrete, J. T., Miyasaka, M., Rajca, S., Rajca, A. & Glaser, R., Mar 29 2007, In : Journal of Physical Chemistry C. 111, 12, p. 4854-4860 7 p.

Research output: Contribution to journalArticle

14 Scopus citations

High-Spin Diradical Dication of Chiral π-Conjugated Double Helical Molecule

Shu, C., Zhang, H., Olankitwanit, A., Rajca, S. & Rajca, A., 2019, In : Journal of the American Chemical Society. 141, 43, p. 17287-17294 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

High-Spin Organic Diradical with Robust Stability

Gallagher, N. M., Bauer, J. J., Pink, M., Rajca, S. & Rajca, A., Aug 3 2016, In : Journal of the American Chemical Society. 138, 30, p. 9377-9380 4 p.

Research output: Contribution to journalArticle

57 Scopus citations
56 Scopus citations

High-Spin Polymers. Synthesis of 1,3-Connected Polyarylmethane and Its Carbopolyanion and Polyradical

Utamapanya, S., Kakegawa, H., Bryant, L. & Rajca, A., Aug 1993, In : Chemistry of Materials. 5, 8, p. 1053-1055 3 p.

Research output: Contribution to journalArticle

20 Scopus citations

High-spin s = 2 ground state aminyl tetraradicals

Rajca, A., Olankitwanit, A., Wang, Y., Boratyński, P. J., Pink, M. & Rajca, S., Dec 4 2013, In : Journal of the American Chemical Society. 135, 48, p. 18205-18215 11 p.

Research output: Contribution to journalArticle

37 Scopus citations

Impact of electron-electron spin interaction on electron spin relaxation of nitroxide diradicals and tetraradical in glassy solvents between 10 and 300 K

Sato, H., Kathirvelu, V., Spagnol, G., Rajca, S., Rajca, A., Eaton, S. S. & Eaton, G. R., Mar 13 2008, In : Journal of Physical Chemistry B. 112, 10, p. 2818-2828 11 p.

Research output: Contribution to journalArticle

55 Scopus citations

Intramolecular antiferromagnetic vs ferromagnetic spin coupling through the biphenyl unit

Rajca, A. & Rajca, S., Aug 28 1996, In : Journal of the American Chemical Society. 118, 34, p. 8121-8126 6 p.

Research output: Contribution to journalArticle

45 Scopus citations

Intramolecular cyclization of thiophene-based [7]helicenes to quasi-[8]circulenes

Rajca, A., Miyasaka, M., Xiao, S., Boratyński, P. J., Pink, M. & Rajca, S., Dec 4 2009, In : Journal of Organic Chemistry. 74, 23, p. 9105-9111 7 p.

Research output: Contribution to journalArticle

26 Scopus citations

Intramolecular Hydrogen Atom Transfer in Aminyl Radical at Room Temperature with Large Kinetic Isotope Effect

Wang, Y., Olankitwanit, A., Rajca, S. & Rajca, A., May 31 2017, In : Journal of the American Chemical Society. 139, 21, p. 7144-7147 4 p.

Research output: Contribution to journalArticle

8 Scopus citations

Isolation of the triplet ground state aminyl diradical

Boratyński, P. J., Pink, M., Rajca, S. & Rajca, A., Jul 26 2010, In : Angewandte Chemie - International Edition. 49, 32, p. 5459-5462 4 p.

Research output: Contribution to journalArticle

38 Scopus citations

Ladder oligo(m -aniline)s: Derivatives of azaacenes with cross-conjugated π-systems

Rajca, A., Boratyński, P. J., Olankitwanit, A., Shiraishi, K., Pink, M. & Rajca, S., Mar 2 2012, In : Journal of Organic Chemistry. 77, 5, p. 2107-2120 14 p.

Research output: Contribution to journalArticle

18 Scopus citations

Macrocyclic π-Conjugated Carbopolyanions and Polyradicals Based upon Calix[4]arene and Calix[3]arene Rings

Rajca, A., Rajca, S. & Desai, S. R., Jan 1995, In : Journal of the American Chemical Society. 117, 2, p. 806-816 11 p.

Research output: Contribution to journalArticle

80 Scopus citations

Magnetic ordering in an organic polymer

Rajca, A., Wongsriratanakul, J. & Rajca, S., Nov 16 2001, In : Science. 294, 5546, p. 1503-1505 3 p.

Research output: Contribution to journalArticle

302 Scopus citations

Maximizing NMR signal per unit time by facilitating the e-e-n cross effect DNP rate

Leavesley, A., Jain, S., Kamniker, I., Zhang, H., Rajca, S., Rajca, A. & Han, S., 2018, In : Physical Chemistry Chemical Physics. 20, 43, p. 27646-27657 12 p.

Research output: Contribution to journalArticle

6 Scopus citations
345 Scopus citations
119 Scopus citations

Near-Degeneracy between the Low- and High-Spin States in an Alternant Hydrocarbon Diradical: Topology and Geometry

Rajca, A., Utamapanya, S. & Smithhisler, D. J., 1993, In : Journal of Organic Chemistry. 58, 21, p. 5650-5652 3 p.

Research output: Contribution to journalArticle

19 Scopus citations

Noncovalent interactions in the asymmetric synthesis of rigid, conjugated helical structures

Miyasaka, M., Pink, M., Rajca, S. & Rajca, A., Jul 27 2009, In : Angewandte Chemie - International Edition. 48, 32, p. 5954-5957 4 p.

Research output: Contribution to journalArticle

49 Scopus citations
69 Scopus citations